condition mean min max 4 h after light 12.0704355 11.653384 12.487487 8 h after light 13.996262999999999 12.517116 15.47541 12 h after light 12.8802875 11.808112 13.952463 4 h after dark 12.1399495 11.907068 12.372831 8 h after dark 12.325857 11.460514 13.1912 12 h after dark 12.11496 12.11496 12.11496